class WithInner{
  class Inner{}
 }
 public class InheritInner extends WithInner.Inner{
  InheritInner(WithInner wi){
     wi.super(); //wi的父类是object
   }
   public static void main(String[] args){
    WithInner wi = new WithInner();
    InheritInner ii = new InheritInner(wi);
  }
 }

class WithInner{
  class Inner{
    public Inner(int i){
      System.out.println(i);
    }
  }
}
public class InheritInner extends WithInner.Inner{
  InheritInner(WithInner wi){
    int i=0;
    wi.super(i);//如代码所示，当被继承的构造器需要参数时，应把参数传递给这个super函数
  }
  public static void main(String[] args){
    WithInner wi = new WithInner();
    InheritInner ii = new InheritInner(wi);
  }
}